CN104534265A - Self-tightening seal type piston gas chamber - Google Patents
Self-tightening seal type piston gas chamber Download PDFInfo
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- CN104534265A CN104534265A CN201510009033.7A CN201510009033A CN104534265A CN 104534265 A CN104534265 A CN 104534265A CN 201510009033 A CN201510009033 A CN 201510009033A CN 104534265 A CN104534265 A CN 104534265A
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- self
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- tightening
- sealing strip
- gas chamber
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Abstract
The invention discloses a self-tightening seal type piston gas chamber and belongs to the technical field of gas holders. The self-tightening seal type piston gas chamber comprises a gas chamber barrel body and a piston and is characterized by further comprising at least one group of self-tightening sealing modules arranged between the gas chamber barrel body and the piston, a traction device playing a guide role on vertical movement of the self-tightening sealing modules and a fixing device for fixing the sealing modules to the piston, wherein each self-tightening sealing module comprises a sealing band, a sealing band press plate, a U or C shaped film, and a baffle. The opening of the U or C shaped film is downward, and the sealing band press plate and the baffle are respectively arranged on two sides of the U or C shaped film. The self-tightening seal type piston gas chamber directly uses gas pressure of the gas chamber as pressing force to achieve seal through the self-tightening sealing modules. Due to the fact that the gas pressure in the gas chamber is constant, the pressing force is constant, the sealing effect and safety of the self-tightening seal type piston gas chamber are remarkably improved, sealing power provided by the outside is not needed, and the self-tightening seal type piston gas chamber has the advantages of being simpler in structure, low in energy waste and low in using cost.
Description
Technical field
The invention belongs to gas tank technical field, relate to a kind of self-tightening sealing formula piston gas cabinet.
Background technique
The maze spatial of the multiple-sealed rubber composition of tradition, the sealing of coal gas is by forming gap resistance to multiple-sealed rubber reinforcing, labyrinth seal is formed by gap resistance, lodge and form piston packing ring in multiple-sealed rubber, the formation of these rings is similar to the principle of labyrinth seal, gas is prevented from once after the circumferential weld of a ring, pressure is lowered once, after circumferential weld by multiple ring, gas is sealed, this simple mode by labyrinth seal is difficult to guarantee and does not leak, and it is just imperative separately to ward off new footpath.
Tradition can grand drier oil sealed gas chamber be utilize the principle of lever weighting to seal, but there is the problem that gas leakage rate is high, its main cause is, owing to being lever compression, when side plate distortion is larger, piston movement is fast again, this can form side plate to caulking gum band bounce-back pressure, cause the spring of the weight of the lever the other end, thus pressure cannot be applied to rubber tape at short notice, cause leakage, simultaneously, thin oil sealing gas cabinet mainly seals by thin oil, sealing principle is hydrostatic column, in order to keep this hydrostatic column, so piston can not run too fast, under that weight effect, unavoidably cause more leakages, there is the wasting of resources and safety issue.
Lever weighting Problems existing and traditional labyrinth seal Problems existing can be utilized by grand drier oil sealed gas chamber for above-mentioned tradition, the present invention by the principle of labyrinth seal using the gas pressure of gas holder directly as sealing impacting force, the constant then impacting force of its gas pressure is constant, sealing effect is constant, and aobvious person improves the Security of gas cabinet.
Summary of the invention
In view of this, the invention provides a kind of self-tightening sealing formula piston gas cabinet, overcome prior art exists potential safety hazard problem because gas leakage is large, thus improve the Security of gas cabinet.
The object of the invention is to be achieved through the following technical solutions:
Self-tightening sealing formula piston gas cabinet, comprise gas cabinet cylindrical shell, piston, also comprise and be arranged at least one group of self-locking seal assembly between gas cabinet cylindrical shell and piston, the traction gear play the guiding role, the fixing device be fixed on by black box on piston are moved up and down to self-locking seal assembly, described self-tightening sealing assembly comprises sealing strip, sealing strip pressing plate, " U " or " C " type film, baffle plate, described " U " or " C " type film are opening down, and described sealing strip pressing plate, baffle plate are separately positioned on the both sides of " U " or " C " type.
Further, described traction gear comprises and is arranged on the upper tow chain of sealing strip upper end, the lower tow chain of lower end, and the sealing strip locking mechanism be connected with described upper and lower index chain respectively, described sealing strip locking mechanism comprises sealing strip mandrel, the sealing strip locking nut be threaded on mandrel.
Further, described self-locking seal assembly is set to two groups, and described sealing strip mandrel is segmental structure at two groups of self-locking seal inter-modules.
Further, described fixing device comprises baffle plate support, supporting and mounting bracket.
Further, between described sealing strip pressing plate and supporting and mounting bracket, black box one_to_one corresponding is provided with preloading spring.
Further, also comprise lubrication system self-locking seal assembly being provided to lubricant oil, described lubrication system comprises oil groove, filling pump and is communicated with oil circuit.
Further, described sealing strip, " U " or " C " type film are made by elastic material.
The invention has the beneficial effects as follows:
Self-tightening sealing formula piston gas cabinet self-tightening sealing formula piston gas cabinet of the present invention is by arranging self-locking seal assembly, the gas pressure of gas holder is directly realized sealing as impacting force by the principle by labyrinth seal, because the gas pressure in gas cabinet is constant, so impacting force is constant, its sealing effect, Security significantly improve, and need not provide sealed motive force in the external world, and structure is simpler, can reduce energy waste, user cost is lower.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from the practice of the present invention.Target of the present invention and other advantages can be realized by specification below and obtain.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of self-tightening sealing formula piston gas cabinet of the present invention;
Fig. 2 is the partial enlarged drawing of self-tightening sealing formula piston gas cabinet of the present invention;
Fig. 3 is the enlarged view of self-tightening sealing assembly of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment only in order to the present invention is described, instead of in order to limit the scope of the invention.
As Figure 1-3, the present embodiment self-tightening sealing formula piston gas cabinet, comprise gas cabinet cylindrical shell 1, piston 2, also comprise at least one group of self-locking seal assembly 3 be arranged between gas cabinet cylindrical shell 1 and piston 2, self-locking seal assembly 3 is moved up and down to the traction gear 4 play the guiding role, black box is fixed on the fixing device 5 on piston, described self-tightening sealing assembly 3 comprises sealing strip 301, sealing strip pressing plate 302, " U " or " C " type film 303, baffle plate 304, described " U " or " C " type film 303 are opening down, described sealing strip pressing plate 302, baffle plate 304 is separately positioned on the both sides of " U " or " C " type, described sealing strip pressing plate 302 and sealing strip 301 homonymy, in gas cabinet, gas enters from opening, the both sides of " U " or " C " type film act on sealing strip pressing plate 302 respectively under gas pressure, on baffle plate 304, by sealing strip pressing plate 302, sealing strip is pressed on gas cabinet barrel wall, thus realize sealing.
The present embodiment self-tightening sealing formula piston gas cabinet is by arranging self-locking seal assembly, the gas pressure of gas holder is directly realized sealing as impacting force by the principle by labyrinth seal, because the gas pressure P in gas cabinet mates with piston weight, when piston weighs a timing, its gas pressure P also should remain unchanged, so constant to the impacting force of sealing strip, its sealing effect, Security significantly improve, and need not provide sealed motive force in the external world, and structure is simpler, can reduce energy waste, user cost is lower.
In the present embodiment, described traction gear 4 comprises and is arranged on the upper tow chain 401 of sealing strip upper end, the lower tow chain 402 of lower end, and the sealing strip locking mechanism be connected with described upper and lower index chain respectively, described sealing strip locking mechanism comprises sealing strip mandrel 403, the sealing strip locking nut 404 be threaded on mandrel.When air pressure increases, pull sealing strip to up together with piston by upper tow chain effect, along with gas volume increases, its gas pressure declines, and stops up after the gas force acted on piston and piston weight balance, when air pressure reduces, sealing strip is pulled together with piston to descending by lower tow chain, along with gas volume reduces, its gas pressure increases, stop descending after the gas force acted on piston and piston weight balance, its gas pressure of whole process is certain, the gas impacting force acting on sealing strip is only relevant with the height value H of sealing strip pressing plate 302, when H is certain, then seal impacting force certain, namely sealing effect is consistent, significantly improve the stability of its sealing, simultaneously, because sealing strip is upper, under lower tow chain effect, can guarantee movement direction and cylindrical shell direction completely the same, namely do not change in radial direction, thus improve sealing effect further, in addition, by locking nut, sealing strip is fastening, without turn-ups when conveniently moving up and down in cylindrical shell, its shape is more stable, sealing effect is better.
In the present embodiment, described self-locking seal assembly 3 is set to two groups, and described sealing strip mandrel 403 is segmental structure between two groups of self-locking seal assemblies 3.Be set to segmental structure, and adopt chain connection at connection segment place, can increase the distortion degrees of freedom between different self-locking seal assembly 3, the adaptive capacity of self-locking seal assembly is strengthened, and its sealing effect is better.
In the present embodiment, described fixing device 5 comprises baffle plate support 501, supporting and mounting bracket 502.Described fixing frame is the channel-section steel be fixed on piston, can be fixed on piston by self-locking seal assembly like this, improves the Security used.
In the present embodiment, between described sealing strip pressing plate 302 and supporting and mounting bracket 502, black box one_to_one corresponding is provided with preloading spring 6, preloading spring described in this enforcement wraps preloading spring 601 and lower preloading spring 602, can also can be certain to sealing strip when gas cabinet uses the initial stage not have a gas pressure preload pressure, thus reduce and leak.
In the present embodiment, also comprise the lubrication system 7 self-locking seal assembly 3 being provided to lubricant oil, described lubrication system comprises oil groove 701, filling pump 702 and is communicated with oil circuit 703.Adopt not timing to inject rare lubricant oil in sealing strip 301 and barrel wall crack, rare lubricant oil can be reclaimed like this, reduce costs.
In the present embodiment, described sealing strip, " U " or " C " type film are made by elastic material, and as plastics, spring steel, elastic alloy material etc., sealing strip can also be the composite material of band graphite, can increase its wear resistance, improves working life.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. self-tightening sealing formula piston gas cabinet, comprise gas cabinet cylindrical shell, piston, it is characterized in that: also comprise and be arranged at least one group of self-locking seal assembly between gas cabinet cylindrical shell and piston, the traction gear play the guiding role, the fixing device be fixed on by black box on piston are moved up and down to self-locking seal assembly, described self-tightening sealing assembly comprises sealing strip, sealing strip pressing plate, " U " or " C " type film, baffle plate, described " U " or " C " type film are opening down, and described sealing strip pressing plate, baffle plate are separately positioned on the both sides of " U " or " C " type.
2. self-tightening sealing formula piston gas cabinet according to claim 1, it is characterized in that: described traction gear comprises and is arranged on the upper tow chain of sealing strip upper end, the lower tow chain of lower end, and the sealing strip locking mechanism be connected with described upper and lower index chain respectively, described sealing strip locking mechanism comprises sealing strip mandrel, the sealing strip locking nut be threaded on mandrel.
3. self-tightening sealing formula piston gas cabinet according to claim 2, is characterized in that: described self-locking seal assembly is set to two groups, and described sealing strip mandrel is segmental structure at two groups of self-locking seal inter-modules.
4. self-tightening sealing formula piston gas cabinet according to claim 1, is characterized in that: described fixing device comprises baffle plate support, supporting and mounting bracket.
5. self-tightening sealing formula piston gas cabinet according to claim 4, is characterized in that: between described sealing strip pressing plate and supporting and mounting bracket, black box one_to_one corresponding is provided with preloading spring.
6. self-tightening sealing formula piston gas cabinet according to claim 1, is characterized in that: also comprise lubrication system self-locking seal assembly being provided to lubricant oil, and described lubrication system comprises oil groove, filling pump and is communicated with oil circuit.
7., according to the arbitrary described self-tightening sealing formula piston gas cabinet of claim 1-6, it is characterized in that: described sealing strip, " U " or " C " type film are made by elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009033.7A CN104534265B (en) | 2015-01-08 | 2015-01-08 | Self-tightening sealing formula piston gas cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009033.7A CN104534265B (en) | 2015-01-08 | 2015-01-08 | Self-tightening sealing formula piston gas cabinet |
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| CN104534265A true CN104534265A (en) | 2015-04-22 |
| CN104534265B CN104534265B (en) | 2016-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109355102A (en) * | 2018-11-29 | 2019-02-19 | 湖南古圣砖瓦科技有限公司 | Gas generator is used in a kind of production of semicircular tile |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224813Y2 (en) * | 1971-11-22 | 1977-06-06 | ||
| JPS6280396A (en) * | 1985-10-04 | 1987-04-13 | Mitsubishi Heavy Ind Ltd | Sealing device for dry gas holder |
| JP2573406B2 (en) * | 1990-08-21 | 1997-01-22 | ポリプラスチックス株式会社 | Method for producing cyclic polyoxymethylene |
| CN2281445Y (en) * | 1997-01-13 | 1998-05-13 | 宝山钢铁(集团)公司 | Sealing device for gas cabinet |
| JP2573406Y2 (en) * | 1992-03-10 | 1998-05-28 | 新日本製鐵株式会社 | Device to prevent gas leakage from gas holder seal |
| CN201651771U (en) * | 2010-02-24 | 2010-11-24 | 中冶华天工程技术有限公司 | High-pressure cylinder type gas tank sealing device |
| CN102192397A (en) * | 2011-04-14 | 2011-09-21 | 中冶赛迪工程技术股份有限公司 | Cylindrical gasholder sealing device |
| CN202708578U (en) * | 2012-08-03 | 2013-01-30 | 中冶东方工程技术有限公司 | Gas chamber seal device |
| CN204437674U (en) * | 2015-01-08 | 2015-07-01 | 中冶赛迪工程技术股份有限公司 | Self-tightening sealing formula piston gas cabinet |
-
2015
- 2015-01-08 CN CN201510009033.7A patent/CN104534265B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224813Y2 (en) * | 1971-11-22 | 1977-06-06 | ||
| JPS6280396A (en) * | 1985-10-04 | 1987-04-13 | Mitsubishi Heavy Ind Ltd | Sealing device for dry gas holder |
| JP2573406B2 (en) * | 1990-08-21 | 1997-01-22 | ポリプラスチックス株式会社 | Method for producing cyclic polyoxymethylene |
| JP2573406Y2 (en) * | 1992-03-10 | 1998-05-28 | 新日本製鐵株式会社 | Device to prevent gas leakage from gas holder seal |
| CN2281445Y (en) * | 1997-01-13 | 1998-05-13 | 宝山钢铁(集团)公司 | Sealing device for gas cabinet |
| CN201651771U (en) * | 2010-02-24 | 2010-11-24 | 中冶华天工程技术有限公司 | High-pressure cylinder type gas tank sealing device |
| CN102192397A (en) * | 2011-04-14 | 2011-09-21 | 中冶赛迪工程技术股份有限公司 | Cylindrical gasholder sealing device |
| CN202708578U (en) * | 2012-08-03 | 2013-01-30 | 中冶东方工程技术有限公司 | Gas chamber seal device |
| CN204437674U (en) * | 2015-01-08 | 2015-07-01 | 中冶赛迪工程技术股份有限公司 | Self-tightening sealing formula piston gas cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109355102A (en) * | 2018-11-29 | 2019-02-19 | 湖南古圣砖瓦科技有限公司 | Gas generator is used in a kind of production of semicircular tile |
| CN109355102B (en) * | 2018-11-29 | 2020-12-11 | 湖南古圣砖瓦科技有限公司 | Gas producer is used in pantile production |
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| CN104534265B (en) | 2016-09-28 |
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